3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $master = array(); $arrColors = array('R', 'B', 'G' ,'Y'); $arrNumbers = array('1', '2', '3', '4'); foreach($arrColors as $color) { foreach($arrNumbers as $num) { $arr2 = array_push($master, $color); //$master += array($color => $num); //echo $color.' => '.$num; //echo "\n"; } array_push($arr2, $num); } print_r($master);
based on CuWeK
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: array_push() expects parameter 1 to be array, integer given in /in/HSrTA on line 13 Warning: array_push() expects parameter 1 to be array, integer given in /in/HSrTA on line 13 Warning: array_push() expects parameter 1 to be array, integer given in /in/HSrTA on line 13 Warning: array_push() expects parameter 1 to be array, integer given in /in/HSrTA on line 13 Array ( [0] => R [1] => R [2] => R [3] => R [4] => B [5] => B [6] => B [7] => B [8] => G [9] => G [10] => G [11] => G [12] => Y [13] => Y [14] => Y [15] => Y )
Output for hhvm-3.12.0
Warning: Invalid operand type was used: array_push expects array(s) or collection(s) in /in/HSrTA on line 13 Warning: Invalid operand type was used: array_push expects array(s) or collection(s) in /in/HSrTA on line 13 Warning: Invalid operand type was used: array_push expects array(s) or collection(s) in /in/HSrTA on line 13 Warning: Invalid operand type was used: array_push expects array(s) or collection(s) in /in/HSrTA on line 13 Array ( [0] => R [1] => R [2] => R [3] => R [4] => B [5] => B [6] => B [7] => B [8] => G [9] => G [10] => G [11] => G [12] => Y [13] => Y [14] => Y [15] => Y )
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.2 - 5.2.17
Warning: array_push(): First argument should be an array in /in/HSrTA on line 13 Warning: array_push(): First argument should be an array in /in/HSrTA on line 13 Warning: array_push(): First argument should be an array in /in/HSrTA on line 13 Warning: array_push(): First argument should be an array in /in/HSrTA on line 13 Array ( [0] => R [1] => R [2] => R [3] => R [4] => B [5] => B [6] => B [7] => B [8] => G [9] => G [10] => G [11] => G [12] => Y [13] => Y [14] => Y [15] => Y )
Output for 4.3.0 - 4.3.1
Warning: array_push() [http://www.php.net/function.array-push]: First argument should be an array in /in/HSrTA on line 13 Warning: array_push() [http://www.php.net/function.array-push]: First argument should be an array in /in/HSrTA on line 13 Warning: array_push() [http://www.php.net/function.array-push]: First argument should be an array in /in/HSrTA on line 13 Warning: array_push() [http://www.php.net/function.array-push]: First argument should be an array in /in/HSrTA on line 13 Array ( [0] => R [1] => R [2] => R [3] => R [4] => B [5] => B [6] => B [7] => B [8] => G [9] => G [10] => G [11] => G [12] => Y [13] => Y [14] => Y [15] => Y )